<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Flask--蓝图中模版文件寻找规则</title>
    <style>
        body{
            background-color: pink;
        }
    </style>
</head>
<body>
    <h3>根路径<code>templates</code>文件夹下: <code>news_all.html</code></h3>
    <h4>全部新闻</h4>
</body>
</html>